A woman - complaining to her neighbour that her husband always came late from office, no matter how she tried to stop him.
Neighbour - “Take my advice,” do what I did. Once my husband came home at three o’ clock in the morning, and from my bed, I called out: “Is that you David?” and that cured him.
A woman - “cured him! But how?”
Neighbour - "you see, my husband’s name is Watson …